package com.doit.day01

/**
 * @Author:
 * @WX: 17710299606
 * @Tips: 学大数据 ,到多易教育
 * @DOC: https://blog.csdn.net/qq_37933018?spm=1000.2115.3001.5343
 * @Description:
 */
object TestIter {
  def main(args: Array[String]): Unit = {
    val  ls = List(1,2,3,4)

    val iter = ls.toIterator


    val iter2: Iterator[Int] = iter.map(_ * 100)
  //  iter2.flatMap()



  }

}
